The party presented lists at municipal and provincial elections in Belgium in 2012, in 14 municipalities and 26 provincial districts. The provincial results were generally around 1% in Flanders and 3% in Walloon.

The best result they obtained was 3.42% in provincial district of Tournai by Paul Bossu and at the communal level, 5.16% at Louvain-la-Neuve, the list led by Lionel Dricot. The pirates at Ottigines list-Louvain-la-Neuve were only 14 votes short of a seat.

In the federal election of 25 May 2014, the Pirate Party participated in the Flemish constituencies of Antwerp (0.98%), East Flanders (0.82%) and Limburg (0.71%) as well as the Walloon constituencies of Hainaut (0.80%) and Liège (0.63%).

In the simultaneous regional elections, the Pirate Party had candidates for the four major constituencies (i.e. not Limburg or Brussels) for the Flemish Parliament, and received 25,986 votes (0.62%) in total. For the Walloon Parliament, the party only competed in the constituency of Nivelles where they received 3,612 votes (1.54% in the constituency, 0.18% for the entire election). Their result was again strongest in Louvain-la-Neuve with 2.49% in that municipality. The Pirate Party also competed in the French language group for the Brussels Parliament, where they received 3,026 votes (0.74%).

In the 2018 Belgian local elections, the Pirate Party presented a shared list with Volt Europa under the name "Paars" ("Purple") in several municipalities, gaining 1,476 in Antwerp and less than one thousand in Brussels.[4]